Slow Raid-10 Speeds with 6 x NVMe mdraid

Issues related to hardware problems
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champloo
Posts: 2
Joined: 2020/11/29 14:32:59

Slow Raid-10 Speeds with 6 x NVMe mdraid

Post by champloo » 2020/11/29 14:36:46

Good day.

I want make good speed disk platform, but mdraid not give me full speed.
I have 6 nvme ssd pcie3 x4 on x570 board
Hardware:
NVME: Samsung Evo 970 plus
motherboard: Gigabyte x570 pro (2 nvme ssd in)
ASUS Hyper M.2 X16 Gen 4 Card with pcie-burification. (4 nvme ssd in)
CPU ryzen 5950x
Ram 64gb 4000mhz

Fio test:

Code: Select all

fio --loops=5 --size=5000m --filename=/mnt/fs/fiotest.tmp --stonewall --ioengine=libaio --direct=1 \
  --name=Seqread --bs=1m --rw=read \
  --name=Seqwrite --bs=1m --rw=write \
  --name=512Kread --bs=512k --rw=randread \
  --name=512Kwrite --bs=512k --rw=randwrite \
  --name=4kQD32read --bs=4k --iodepth=32 --rw=randread \
  --name=4kQD32write --bs=4k --iodepth=32 --rw=randwrite
Windows AMD raid 10 cpu:
https://monosnap.com/file/Yy60j3VF2clqx ... GLVrPAs25K
Windows FIO WSL1 AMD raid 10
https://monosnap.com/file/LFucDw1Sm5aay ... mjdvBSvYvy


Centos 8 mdraid 10
https://monosnap.com/file/g3U5NmVe2ycG5 ... g505MBAJeJ
Centos 8 mdraid 5
https://monosnap.com/file/Mb63lcTI317Kd ... BeefjEiaHw
Centos 8 Singe disk
https://monosnap.com/file/L7AOSYEWurOKd ... RHQoW1X3Bt

champloo
Posts: 2
Joined: 2020/11/29 14:32:59

Re: Slow Raid-10 Speeds with 6 x NVMe mdraid

Post by champloo » 2020/12/01 09:47:22

up
please help with my problem...

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TrevorH
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Posts: 33202
Joined: 2009/09/24 10:40:56
Location: Brighton, UK

Re: Slow Raid-10 Speeds with 6 x NVMe mdraid

Post by TrevorH » 2020/12/01 10:04:17

This forum is entirely staffed by unpaid volunteers. If anyone cares to respond to your post then they will but it's entirely up to them to do so.
The future appears to be RHEL or Debian. I think I'm going Debian.
Info for USB installs on http://wiki.centos.org/HowTos/InstallFromUSBkey
CentOS 5 and 6 are deadest, do not use them.
Use the FAQ Luke

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